First, after starting Eclipse/myeclipse, open "window, Preferences, General and Workspace", click on the Workspace page "Startup and Shutdown", Then tick "Prompt for workspace on startup" in the "Startup and Shutdown" page, then close the reboot and the Modify MyEclipse Work Path dialog box will pop up.
Second, find the MyEclipse installation directory, in the MyEclipse 6.5\eclipse\configuration\.settings\ directory, find the Org.eclipse.ui.ide.prefs file, modify Recent_ The path in the workspaces, or change the show_workspace_selection_dialog= in it from false to true. Don't change any of the other items, save them. Then start MyEclipse and the Modify MyEclipse Work Path dialog box will pop up.
Third, find MyEclipse installation directory, and then find the MyEclipse 6.5\eclipse\configuration\.settings\ directory, find the Org.eclipse.ui.ide.prefs file in this directory, delete it. Then start MyEclipse and the Modify MyEclipse Work Path dialog box will pop up.
How to modify the default working path for MyEclipse Workplace